This bug was closed in january 2018. Are you sure this is the same issue / right ticket? I see that you have recently marked some other bug as a duplicate of this one..... maybe you can sync that one? If not please state what is happening on 18.04 since in january it was believed that this issue was fixed.
** Changed in: linux (Ubuntu) Status: Invalid => New ** Changed in: linux (Ubuntu) Importance: Critical => Undecided ** Changed in: linux (Ubuntu) Assignee: Colin Ian King (colin-king) => (unassigned) ** Changed in: linux (Ubuntu Zesty) Assignee: Colin Ian King (colin-king) => (unassigned) ** Changed in: ubuntu-power-systems Status: Invalid => New ** Changed in: ubuntu-power-systems Importance: Critical => Undecided -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1709889 Title: Ubuntu 17.04: Bug in cfq scheduler, I/Os do not get submitted to adapter for a very long time. To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1709889/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs